Chris was one of the rare people who understood both the technical side and business side of a product/business. There were so many times where an engineer would start blabbling big terms to avoid doing something or an PM spouts MBA Bullshit and Chris just shuts it down.
What outsiders who focused on the PR never knew is that there was a balance of power in FB that kept things going forward. Now, with these changes along with Jan Koum leaving last year, I don't know if there is anyone with enough influence to counterbalance the Sheryl-driven short-termism view.
For people without real defined values, "privacy centric" is yet another empty cover to do exactly the opposite.